461522887 has 8 divisors (see below), whose sum is σ = 537407136. Its totient is φ = 388126752.

The previous prime is 461522869. The next prime is 461522917. The reversal of 461522887 is 788225164.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461522887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461522857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621628 + ... + 622369.

It is an arithmetic number, because the mean of its divisors is an integer number (67175892).

Almost surely, 2^461522887 is an apocalyptic number.

461522887 is a deficient number, since it is larger than the sum of its proper divisors (75884249).

461522887 is a wasteful number, since it uses less digits than its factorization.

461522887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244057.

The product of its digits is 215040, while the sum is 43.

The square root of 461522887 is about 21483.0837404689. The cubic root of 461522887 is about 772.7951969638.

The spelling of 461522887 in words is "four hundred sixty-one million, five hundred twenty-two thousand, eight hundred eighty-seven".